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B+(P), B-(P)
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6.2 Arithmetic Operation Instructions
6.2.5 BCD 4-digit addition and subtraction operations (B+(P),B-(P))
(3) The following will result if an underflow is generated by the subtraction operation:
The carry flag in this case does not go ON.
Operation Error
(1) In the following case, an operation error occurs, the error flag (SM0) turns ON, and an error
code is stored into SD0.
• The , or BCD data is outside the 0 to 9999 range. (Error code: 4100)
Program Example
(1) The following program adds the D3 BCD data and the Z1 BCD data when X20 goes ON, and
outputs the result to Y8 to Y17.
[Ladder Mode] [List Mode]
(2) The following program subtracts the BCD data at D20 from the BCD data at D10 when X20
goes ON, and stores the result at R10.
[Ladder Mode] [List Mode]
999800030001
S1
S2
D
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